Miyun Reservoir [Photo via tuchong.com]

Located in the northeastern part of Beijing, Miyun District functions as an important drinking water source for Beijing, and also an eco-conservation area.The district is home to 526,000 population. With a total area of 2229.45 square kilometers, which makes it the largest district of Beijing, it covers two streets, 17 towns and 1 village (regional office). Situated in the center of the district, the Miyun Reservoir plays a significant role in supplying drinking water for Beijing, with a maximum water surface area of 188 square kilometers and a maximum storage capacity of 4.375 billion cubic meters.

Miyun District is China's national ecological zone and a world-renowned recreational and livable site. The forest coverage rate of the district reached 75.3 percent. The number of days when the air quality is of or better than Grade II has remained above 73.7 percent for four consecutive years. The content of negative oxygen ions in the air is 40 times higher than that in the urban area, the ecological quality ranking No.1 of the whole city. Miyun District is a famous "Home of the Longevity" of Beijing, with more than 600 elders over 90 years old.

In 2023, the district's GDP reached CNY 37.4 billion.